1rwl
From Proteopedia
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'''Extracellular domain of Mycobacterium tuberculosis PknD''' | '''Extracellular domain of Mycobacterium tuberculosis PknD''' | ||
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[[Category: TBSGC, TB Structural Genomics Consortium.]] | [[Category: TBSGC, TB Structural Genomics Consortium.]] | ||
[[Category: Young, T A.]] | [[Category: Young, T A.]] | ||
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- | [[Category: | + | [[Category: Tb structural genomics consortium]] |
- | [[Category: | + | [[Category: Tbsgc]] |
- | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 07:59:35 2008'' | |
- | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + |
Revision as of 04:59, 3 May 2008
Extracellular domain of Mycobacterium tuberculosis PknD
Overview
Diverse pathogenic bacteria produce transmembrane receptor Ser/Thr protein kinases (STPKs), but little is known about the signals mediated by these "eukaryotic-like" proteins. To explore the basis for signaling in the bacterial STPK receptor family, we determined the structure of the sensor domain of Mycobacterium tuberculosis PknD. In two crystal forms, the PknD sensor domain forms a rigid, six-bladed beta-propeller with a flexible tether to the transmembrane domain. The PknD sensor domain is the most symmetric beta-propeller structure described. All residues that vary most among the blade subdomains cluster in the large "cup" motif, analogous to the ligand-binding surface in many beta-propeller proteins. These results suggest that PknD binds a multivalent ligand that signals by changing the quaternary structure of the intracellular kinase domain.
About this Structure
1RWL is a Single protein structure of sequence from Mycobacterium tuberculosis. Full crystallographic information is available from OCA.
Reference
Sensor domain of the Mycobacterium tuberculosis receptor Ser/Thr protein kinase, PknD, forms a highly symmetric beta propeller., Good MC, Greenstein AE, Young TA, Ng HL, Alber T, J Mol Biol. 2004 May 28;339(2):459-69. PMID:15136047 Page seeded by OCA on Sat May 3 07:59:35 2008
Categories: Mycobacterium tuberculosis | Non-specific serine/threonine protein kinase | Single protein | Alber, T. | Good, M C. | Greenstein, A E. | Ng, H L. | TBSGC, TB Structural Genomics Consortium. | Young, T A. | Beta propeller | Protein structure initiative | Psi | Structural genomic | Tb structural genomics consortium | Tbsgc